blue smoke

peanut.901 · Post by **peanut.901** » Thu Jun 12, 2014 11:32 am

hi everyone my pajero is puffing abit of blue smoke but not all the time only in low revs? what could this be? afew people have told me it could be the turbo seals or rings??

derk · Post by **derk** » Thu Jun 12, 2014 12:02 pm

it means its getting old and tired mate what's the oil consumption like

churchill · Post by **churchill** » Thu Jun 12, 2014 12:19 pm

After I blocked my egr off on mine it smokes at idle. What engine is it?

peanut.901 · Post by **peanut.901** » Thu Jun 12, 2014 12:57 pm

still goes well uses abit of oil and its a 2.5 turbo non intercooled

churchill · Post by **churchill** » Thu Jun 12, 2014 3:17 pm

Ok, mines a 3.2. Check turbo shaft play, dunno how to check rings on a diesel.

peanut.901 · Post by **peanut.901** » Thu Jun 12, 2014 3:51 pm

yeah there is a fair bit of play

rogerramjet · Post by **rogerramjet** » Thu Jun 12, 2014 5:57 pm

Is there any easy way to check the turbo shaft play? I assume the turbo would need to be removed.

peanut.901 · Post by **peanut.901** » Thu Jun 12, 2014 6:09 pm

i just removed air intake pipe and moved the shaft has a bit of play

churchill · Post by **churchill** » Thu Jun 12, 2014 6:56 pm

Might be time for a rebuild on the turbo. Check that the compressor wheel hasn't been rubbing on the housing otherwise it's worth changing it out. It would be good to see if the rings are ok so you don't waste time rebuilding the turbo for a dud engine...

peanut.901 · Post by **peanut.901** » Thu Jun 12, 2014 7:40 pm

was thinking just replace turbo. motor still start mint everymorning still has good power so hopefully not rings

Weemsy · Post by **Weemsy** » Thu Jun 12, 2014 9:07 pm

Any oil in the intake after the turbo?
Slight up/down movement in an older turbo is pretty normal.
Like someone said, is the compressor wheel marking the housing?
Any in/out movement in the turbo shaft?

peanut.901 · Post by **peanut.901** » Thu Jun 12, 2014 9:29 pm

yes there is abit of oil in intake but theres it abit of blow by and no marks

zed · Post by **zed** » Thu Jun 12, 2014 10:55 pm

One thing to try is removing the pcv hose from the air intake. It is connected at one end to usually the rocker cover, and on toymotas the other end is on the turbo. Mitsis I think go into the air intake pipework pre turbo. Usually on older diesels it is this vent pipe which can cause a bit of oil burn and blue smoke...especially on the 2.8/3.1 isuzu motors.
Anyway just take the air intake end off and poke it into a say 600ml plastic bottle. Poke some holes in the top for pressure release and see if you are collecting oil. Also make sure you block off the place you took it from (very important!). When you take the hose off you may notice some oil in there...if it's quite a bit that could be your answer.
I normally block off egr in all the vehicles I work on (pre carbon sensor ones) and put the pcv into a catch can. Increases longevity and stops the motor breathing its own farts lol :-D

My 2c

fish · Post by **fish** » Fri Jun 13, 2014 12:20 am

mine is the same, hardly any oil in the breather but quite a bit after the turbo, pretty sure the seal is gone,

if like to rebuild, anyone got any experience? is it straight forward?

fish · Post by **fish** » Fri Jun 13, 2014 12:21 am

mine is the same, hardly any oil in the breather but quite a bit after the turbo, pretty sure the seal is gone,

id like to rebuild, anyone got any experience? is it straight forward? mines 2.8tdi

The WEHI · Post by **The WEHI** » Fri Jun 13, 2014 7:41 am

fish wrote:mine is the same, hardly any oil in the breather but quite a bit after the turbo, pretty sure the seal is gone, id like to rebuild, anyone got any experience? is it straight forward? mines 2.8tdi

10 seconds on google

http://www.stage-infinity.com/2007/09/2 ... o-rebuild/

fish · Post by **fish** » Fri Jun 13, 2014 10:21 am

looks ok, now to find a kit.....

fish · Post by **fish** » Fri Jun 20, 2014 3:59 pm

did my glow plugs today and while i was there i pulled the pipe off the turbo and found the thing full of oil, i mean heaps :shock:

the compresor fins were wet with oil, im pretty sure its not blow by but ill test it with a bottle, thinking about getting a new turbo or cartridge rather than rebuilding,

zed · Post by **zed** » Fri Jun 20, 2014 8:52 pm

fish wrote:did my glow plugs today and while i was there i pulled the pipe off the turbo and found the thing full of oil, i mean heaps the compresor fins were wet with oil, im pretty sure its not blow by but ill test it with a bottle, thinking about getting a new turbo or cartridge rather than rebuilding,

If you opt for a new turbo be carefull with the chino ones...put one on my old diesel paj and only lasted 18months! Rebuilt genuine def a better option imho...

fish · Post by **fish** » Fri Jun 20, 2014 10:20 pm

but theyre soo cheap! mitzi quoted me 1200, ebay ones 300,
hmmmm

zed · Post by **zed** » Sat Jun 21, 2014 12:06 am

Have you looked into getting yours reconned? If in greater welly region there's an excellent mitsi turbo guy. ..dave from total turbo

Edit: sorry fish see you are in qt...

fish · Post by **fish** » Sat Jun 21, 2014 12:17 am

thanks anyway, i just found a rebuild kit on ebay for 40 dollars, im gonna do it!

1

zed · Post by **zed** » Sat Jun 21, 2014 12:19 am

Do it do it lol ;-)

Well...far to early (late?) For sanity...haha

fish · Post by **fish** » Sat Jun 21, 2014 12:22 am

im gonna go with late.
thanks for all the advice

peanut.901 · Post by **peanut.901** » Sun Jun 22, 2014 8:53 pm

i turned the fuel pressure down unsure how far up it was but i have turned it down and no more blue smoke? anyone know why ?

peanut.901 · Post by **peanut.901** » Sun Jun 22, 2014 8:56 pm

i havent driven the pajero since turning the pressure down so unsure how gutless it will be

fish · Post by **fish** » Sun Jun 22, 2014 9:36 pm

how did you do that?

peanut.901 · Post by **peanut.901** » Sun Jun 22, 2014 10:22 pm

on the back of the pump

fish · Post by **fish** » Mon Jun 30, 2014 3:25 pm

Well the kit arived last night so today I started pulling it off and bugger me if it didn't piss rain. All month we have been crying out for some weather in Queenstown and the one day I get uder the hood the hevens open. Any way I got half way and decided to reasemble and wait for my day off to do it properly. Its a vigger job than I had anticipated

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